Differences between ROOT docker image interactively and in gitlab CI

[pseyfert]

I’m narrowing down some gitlab CI failures I couldn’t reproduce running interactively. What the CI is normally supposed to do is run the TMVA Classification example and then do something with the resulting xml file.

 $ mkdir -p test
 $ (cd test && root -l -b -q -n /usr/local/share/doc/root/tutorials/tmva/TMVAClassification.C\(\"MLPBNN\"\) )
Warning in <TApplication::GetOptions>: macro /usr/local/share/doc/root/tutorials/tmva/TMVAClassification.C not found

As it turns out see here the directory /usr/local/share/doc/(root) does not exist in the CI:

CI config:

before_script:
  - sudo apt-get update
  - sudo apt-get upgrade -y
  - sudo apt-get install -y tree

rootdocker-run:
  image: rootproject/root-ubuntu16
  script:
    - ls /usr/
    - ls /usr/local
    - ls /usr/local/share
    - tree /usr/local/share/doc/root

output:

$ ls /usr/local/share
ca-certificates
fonts
man
sgml
xml
$ tree /usr/local/share/doc/root
/usr/local/share/doc/root [error opening dir]

0 directories, 0 files
Job succeeded

When using the container interactively however, I see the directory:

pseyfert@openstack > docker run -it --dns=137.138.16.5 rootproject/root-ubuntu16 ls /usr/local/share/doc/root
CREDITS  LICENSE  README.ALIEN	README.GLOBUS	 README.PROOF	  ReleaseNotes	test
INSTALL  README   README.AUTH	README.MONALISA  README.SELECTOR  cfortran.doc	tutorials

Shouldn’t the contents of /usr/ be the same when using the container in the
gitlab CI and when using it interactively?

[eguiraud]

Shouldn’t the contents of /usr/ be the same when using the container in the
gitlab CI and when using it interactively?

Absolutely yes, I don’t think that can be the problem

[pseyfert]

Okay, good we agree on that

Any idea how/where to debug further? Can you confirm that /usr/local/share/doc should exist?

[eguiraud]

Hey Paul,
I just downloaded the current rootproject/root-ubuntu16 image on my laptop.

/usr/local/share/doc does not exist, and the ROOT tutorials are under /usr/local/tutorials (found out calling gROOT->GetTutorialsDir()).

My guess is that the image you have on openstack, which still lists the old tutorials directory, is outdated…?
@amadio tweaked these images in the last weeks so he might know if this was an intended change.

[amadio]

My guess is that some default option changed and you were using an old version of the docker image. To get the latest version, try to do a docker pull rootproject/root-ubuntu16. If you have a specific request for build options for the docker image, let me know. I will update the build scripts soon.

[pseyfert]

hah! indeed the image on openstack was outdated (and the cron job cleaning the cache didn’t do its job).